Chapter 4

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Chapter 4

Chapter 4
Chapter 4 Quiz: Making Decisions And Working With Strings

This activity contains 10 questions.

Which rational operator means ‘not equal to’ in Visual Basic?

!=<><>

Which is not a syntax rule for If…Then statements?

Comments can appear on the same line as the End If statement and the If …Then statement.The words If and Then must appear on the same line.Commas need to be used after every statement with in the If…Then structureThe End If statement must be on a line by itself.

A Boolean variable that signals whether a condition exists is called a

constant valuearithmetic operatorrelational operatorflag

Which of the following statements are true about If…Then…ElseIf statements:

i. If…Then…ElseIf statements evaluate the conditions until one is found to be true, executes the statements under the true condition, and then leaves the structure.

ii. If…Then…ElseIf statements are like a chain of If statements.

iii. If…Then ElseIf statements evaluate all statements in the structure once a true condition is found, and do not leave the structure until a break statement is encountered.

iv. An Else statement placed at the end of an If…Then…ElseIf statement ensures that a default action is always executed if none of the proceeding statement conditions in the If…Then…ElseIf structure were met.

all but ii onlyall but iii only i and ii

The structure: If (condition I And condition II) Then is only true:

if neither condition I or condition II are trueif both condition I and condition II are trueis never true.if either condition I or condition II is true

An If statement placed within the condition of another If statement is known as:

an If…Then…Else statementa composite If statementa Nested If statementan Irrational If statement

This operator reverses the truth value of an expression; making a true expression false and a false expression true.

AndXorOrNot

Which string property or function returns the length of a string variable stored in strVar?

i. strVar.Length

ii. strVar.Len.

iii. Len(strVar).

iv. strVar.Trim

all but iii i onlyonly i and iiall but i

9. Which is the conversion for the following If...Then...ElseIf statement to a Select...Case statement?

If intValue > 0 and intValue <= 9 Then

discount = .10

Else If intValue >9 and intValue <20

discount = .15

Else

discount = .20

Select Case intValue

Case intValue 1 To 9

discount = .10

Case intValue 10 To 19

discount = .15

Case Else

discount = .20

End Select

Select intValue

Case intValue 1 To 9

discount = .10

Case intValue 10 To 20

discount = .15

Case Else

discount = .20

End Select

Select Case intValue

Case Is 1 To 9

discount = .10

Case Is 10 To 20

discount = .15

Case Else

discount = .20

End Select

Select Case intValue

Case Is 1 To 9

discount = .10

Case Is 10 To 19

discount = .15

Case Else

discount = .20

End Select

Which are characteristics of a CheckBox control?

i. only one check box can be selected at a time.

ii. you can use code to select or deselect a check box by using an assignment statement and the Checked property.

iii. a CheckChanged event is triggered whenever the user changes the state of a check box.

iv. a check box’s Checked property can only be set with an assignment statement during run time.

all but iv all but ionly i and ivii and iii only

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